Radial nerve schemes II & references

I found some interesting images.

First from posterior view, displays the radial nerve path in non rotated arm.

From Lippincott Williams & Wilkins Atlas of Anatomy (Tank, Patrick W.; Gest, Thomas R)

Here is anterior view (front view).

The spiral groove is only area where nerve is located on humerus bone. There for fractures leads to damage of the nerve.

To find where the radial nerve begin we need to check muscles, especially teres minor and deltoid:

References: Great sites for anatomy study!

Virtual Medical Centre

Virtual Medical Centre.com - video: Shoulder joint (including humerus articulation/rotation)

Pediatric Orthopedics: Humerus bone - detailed views

Pediatric Orthopedics: Muscle anatomy of Arm

Lippincott Williams & Wilkins Atlas of Anatomy (Tank, Patrick W.; Gest, Thomas R)